A close look at the 'unknown' penguin - the least-studied of the world's 18 species.
Jeffery Boswall lives with a million birds to try to unravel the intimate secrets of their life-cycle: their home-making and love-making, their territorial aggression and the problems of over-heating when ashore. Although Jackass Penguins are hidden away round the coasts of southern South America, they are not safe from man.
(from Bristol)